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	param	t-stat
$ω$	0.0121	7.12
$α$	0.0235	9.67
$β$	0.9756	953.67
$γ$	0.2647	9.59
$δ$	1.9320	14.18

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Level 3 Communications Inc APARCH Volatility Analysis

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Date Range:

Parameter Estimates

News Impact Curve

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